Finding the Fourth Proportional to 90,418,264.12, 135,546,646.67 and 32,869,994.46
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Solution
The fourth proportional to 90,418,264.12, 135,546,646.67 and 32,869,994.46 is: 49,275,636.60
Step by Step Solution
- Step 1: Write the proportion equation
90,418,264.12 : 135,546,646.67 = 32,869,994.46 : x - Step 2: Convert to fraction form
90,418,264.12/135,546,646.67 = 32,869,994.46/x - Step 3: Cross multiply
90,418,264.12x = 135,546,646.67 × 32,869,994.46 - Step 4: Simplify right side
90,418,264.12x = 4,455,417,525,114,477 - Step 5: Solve for x
x = 4,455,417,525,114,477/90,418,264.12 - Step 6: Final answer
x = 49,275,636.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.